42285124 has 24 divisors (see below), whose sum is σ = 85117760. Its totient is φ = 18004896.

The previous prime is 42285121. The next prime is 42285143. The reversal of 42285124 is 42158224.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 42285092 and 42285101.

It is not an unprimeable number, because it can be changed into a prime (42285121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414 + ... + 9205.

Almost surely, 2^42285124 is an apocalyptic number.

It is an amenable number.

42285124 is an abundant number, since it is smaller than the sum of its proper divisors (42832636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42285124 is a wasteful number, since it uses less digits than its factorization.

42285124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9787 (or 9785 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 42285124 is about 6502.7012848508. The cubic root of 42285124 is about 348.3874774215.

The spelling of 42285124 in words is "forty-two million, two hundred eighty-five thousand, one hundred twenty-four".